Door closer



FIG. 1 is a front, right side and top view of our door closer, its roller bearing arm being repositionable;

FIG. 2 is a left side view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof with unclaimed internal mechanisms not shown that are hidden from view with the door closer mounted;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a top view thereof. 

The ornamental design for a door closer, as shown and described. 